Women's water polo

Key dates: Aug. 5, quarterfinals, the start of the knockout round. Venue: Water Polo Arena Big story: Although the U.S. has medaled in all three previous Olympic tournaments for women, it has never won -- losing to Australia in the final two seconds in 2000 and to the Netherlands in the final...

Key dates: Aug. 5, quarterfinals, the start of the knockout round. Venue: Water Polo Arena Big story: Although the U.S. has medaled in all three previous Olympic tournaments for women, it has never won -- losing to Australia in the final two seconds in 2000 and to the Netherlands in the final... (Jeff Gross/Getty Photo)

Key dates: Aug. 5, quarterfinals, the start of the knockout round. Venue: Water Polo Arena Big story: Although the U.S. has medaled in all three previous Olympic tournaments for women, it has never won -- losing to Australia in the final two seconds in 2000 and to the Netherlands in the final...